Vistancia Area Water System Water Quality Data (Cont.)

Organics

  EPA Limit MCL EPA Limit MCLG Sample Date Possible Sources
Analyte Units Groundwater Concentrations
Range Highest
Ethylbenzene mg/L <0.0005-0.0007 0.0007 0.7 0.7 2004 Discharge from petroleum refineries
Total Xylenes mg/L <0.0005-0.0019 0.0019 10 10 2005 Discharge from petroleum and chemical factories
Di(2-ethylhexyl) phthalate mg/L <0.0006-0.0013 0.0013 0.006 0 2005 Discharge from rubber and chemical factories
Ethylbenzene Some people who drink water containing ethylbenzene well in excess of the MCL over many years could experience problems with their liver or kidneys.
Di(2-ethylhexyl)
phthalate		 Some people who drink water containing Di(2-ethylhexyl) phthalate in excess of the MCL over many years may have problems with their liver, or experience reproductive difficulties, and may have an increased risk of getting cancer.
Total Xylenes Some people who drink water containing Xylenes in ecess of the MCL over many years could experience damage to their nervous system.

Tested for but not found in Peoria: Synthetic Organic Chemicals: 2,4-D; 2,4,5-TP (Silvex); Alachlor; Atrazine; Carbofuran; Chloridane; Dalapon; Diquat; Ethylene Dibromochloropropane (DBCP); Ethylene Dibromide (EDB); Heptachlor; Heptachlor Epoxide; Lindane;Benzo (a) Pyrene; Di (2-ethylhexyl) adipate; Dinoseb; 2, 3, 7, 8 TCDD Dioxin; Endothall; Endrin; Glyphosate; Hexachlorobenzene; Hexachlorocycopentadiene; Oxamyl; Picloram; Simazine; Methoxychlor; PCB: Polychlorinated Biphenyls; Pentachlorophenol;Toxaphene.

Tested for but not found in Peoria: Volatile Organic Chemicals: 1,1-Dichloroethylene; 1,1,1-Trichloroethane; 1,1,2-Trichloroethane; 1,2-Dichloroethane;1,2-Dichloropropane; Benzene; Carbon Tetrachloride; cis-1,2-Dichloroethylene; (mono)chlorobenzene;  o-Dichlorobenzene; para-Dichlorobenzene; Styrene; Tetrachloroethylene; Toluene; trans-1,2-Dichloroethylene; Trichloroethylene; Vinyl Chloride; 1,2.4-Trichlorobenzene; Dichloromethane.

Other Analysis

Analyte Units Water System Concentrations  Groundwater
Concentrations		 EPA Limit MCL EPA MCLG Sample Date EPA Limit MRDL Possible Sources
    Range Highest          
Total Coliforms C/100 mL 0-1* NR NR <1 0 2005 NA Naturally present.
Chlorine Residual   mg/L 0.40-1.66 NR NR 4 NA 2005 4 Water additive used to control microbes.

* One sample total coliform positive in August. Required repeat samples in August and required increased samples in September were all negative for total coliform.

Aesthetics

  EPA Limit MCL EPA Limit MCLG Sample Date Possible Sources
Analyte Units Groundwater Concentrations
Range Highest
Alkalinty mg/L 206-209 207 NA NA 2005 Naturally present
Calcium mg/L 48-55 51 NA NA 2005 Erosion of natural deposits
Hardness Gr/gal 12-14 13 NA NA 2005 Naturally present
Magnesium mg/L 21-25 23 NA NA 2005 Erosion of natural deposits
Manganese mg/L ND ND NA 0.05 2004 Naturally present
Sodium mg/L 47* 47* NA NA 2005 Naturally present

* One sample collected as required.
 
 

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